Tree:)tree_and_plane..jpg

Equation: y = Ix+1I -4
Domain: all real numbers
Range: ( -4,external image infinity-sign.bmp)
Symmetry: no
y= I -x + 1 I -4 :neither
discontinuities
lim f(x)

x --> external image infinity-sign.bmp = external image infinity-sign.bmp

Lim f (x)
x --> -external image infinity-sign.bmp = external image infinity-sign.bmp